Jean-Yves Costa vs Michel Petit
Jean-Yves Costa (72, FRA) and Michel Petit (78, FRA) have met 8 times in classical OTB. Costa leads the classical series 8–0 (0 draws). With current classical ratings of 1724 and 1411, the Elo model gives Costa a 84% chance of winning a classical game with white.
Head-to-Head Score
If they played today · Classical
Based on current Elo: 1724 vs 1411 (Δ +313)
With Jean-Yves Costa as white
84% Jean-Yves8% draw8% Michel
With Michel Petit as white
78% Jean-Yves9% draw12% Michel
Estimate from Elo only · doesn't account for recent form, opening prep, or context.
Career Compare
| Jean-Yves Costa | Michel Petit | |
|---|---|---|
| Current rating (STD) | 1724+11 | 1411 |
| Peak rating | 2032 · Apr 2005 | 1493 · Sep 2010 |
| Peak age | 51 | 62 |
| World rank now | #101,475 | #199,854 |
| World rank peak | #33,245 | #73,704 |
| Federation rank now | #7,012 | #15,750 |
| Games (career, STD) | 949 | 1,065 |
| Months active | 201 | 176 |
| % white wins | 50% | 37% |
| % black wins | 43% | 26% |
| TPR last 12m (STD) | 1511 | — |
| Activity 12m (games) | 80 | 0 |
Best Win
Jean-Yves Costa
Michel Petit
Highest-rated opponent ever beaten · STD primary, rapid/blitz for context
All Meetings (8)
Common Opponents
Tournaments Both Played
Cohort Position
Each player compared to active peers (same federation, ±75 Elo, played in last 12 months).
Jean-Yves Costa
Michel Petit